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Advice on buying JKU

Discussion in 'Wrangler, CJ, Wagoneer, other traditional Jeeps' started by Stomper, Jun 14, 2017.

  1. Stomper

    Stomper Member

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    Hello!! A single mom friend of mine is looking at purchasing a used JKU for her 18 year old son. I am guessing whatever she purchases will be at least 2 years old. That being said any advice on specific years to avoid or to look for, or any input on known issues with JKUs so I can relay them to her would be appreciated. Thanks!!
     
  2. link3721

    link3721 Needs More Jeep Level 2 Supporter

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    New interiors started for the 2011s, 2012 and up has the Pentastar V6 which is preferable. No major issues other than the short window for engine head issues that is covered by warranty and easily checked with the vin. Can't think of any other big things to check.
     
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  3. valiant67

    valiant67 Rich Corinthian Leather Level III Supporter

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    If it's an automatic, find one with the 3.73 gears. I went from a 3.8 with the good gears to a 3.6 with the base gears and was very disappointed. Now I have a 3.6 with 3.73 gears and it's much better.
     
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  4. Stomper

    Stomper Member

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    Thanks for the info!!

    I will make sure we check that, thanks!!
     
  5. Zagnut27

    Zagnut27 Jeepaholic Level 2 Supporter

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    My niece just mentioned that she and her husband were looking to get a Wrangler too, but she mentioned a 2010. I'm kind of hesitant to give too much advice though because I often get the response "I know." Ugh...no...you don't know. Lol
     
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  6. Stomper

    Stomper Member

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    Lol that is true!!
     
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  7. lena2

    lena2 New Member

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    Do you consider a car from 2011/2012 as old one or still okay? I am curious how do you see that. :)
     
  8. BobbiBigWheels

    BobbiBigWheels I'm likely at work... Ad-Free Member

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    @Stomper - 3.73 gear will only be beneficial if they intend to put tires on the Wrangler any larger than stock size in my opinion. Narrowing a search for a used Wrangler down by ensuring it has the max-tow gear ratio of 3.73 is going to make your search extremely difficult. Also you will need to decode the VIN at a Chrysler dealership to check its option report and be certain it has those gears.

    With regards to pre-owned Wrangler - 2012+ is a must due to Pentastar power and economy. Be mindful the Wrangler is among the least depreciating vehicles in the world, and pre-owned ones tend to catch a pretty penny. If your friend is financing their purchase, it may be worthwhile to explore a new option based on lower interest rates, full warranty, and the knowledge the Wrangler has not been rat-bagged.
     
  9. valiant67

    valiant67 Rich Corinthian Leather Level III Supporter

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    I've had stock tires with and without the 3.73 gears. Without the 3.73 gears the engine runs out of pep climbing steep hills. That was my issue here in the GA mountains which aren't that big of mountains.

    With the right gears, the 3.8 powered Wrangler wasn't as bad as the difference in horsepower ratings would imply it was. In fact, I thought my 2007 3.8 with the towing gears pulled as strong as my 2015 with the economy gears, but the 2016 with the towing gears trounced the others.
     
  10. Crawdaddy

    Crawdaddy Member

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    Just say away from the 3.8L v6 with auto transmission. The auto trans (42RLE) used with the 3.8L is very prone to failure. The auto behind the 3.6L is OK. If it is a manual all years are fine. All JKs are prone to water leaks, but the soft top has much less problems than the 3 piece hard top (Freedom Top). Water leaks and 42RLE failures are the biggest problems we see at the dealership.
     
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